Water-soluble fertilizer and preparation method thereof
A water-soluble fertilizer and solution technology, applied in nitrogen fertilizer, potash fertilizer, phosphate fertilizer, etc., can solve the problem of low utilization rate of phosphorus and potassium by water-soluble fertilizer, and achieve the effect of ensuring bioavailability, optimizing the ratio, and promoting growth.
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[0027] The embodiment of the present invention also provides a kind of preparation method of water-soluble fertilizer, comprises the steps:
[0028] Take raw materials by weight of each raw material;
[0029] Dissolve ammonium polyphosphate in water to obtain ammonium polyphosphate solution; add sodium octaborate tetrahydrate, EDTA-zinc, xanthan gum and tea polyphenol into the ammonium polyphosphate solution, mix well to obtain mixed solution I; organic potassium Add salt and urea to the mixed solution I in turn to obtain the mixed solution II; add glacial acetic acid to the mixed solution II, stir and mix evenly, and then filter to obtain the finished water-soluble fertilizer.
[0030] In an embodiment of the present invention, in step (2), the temperature for preparing the ammonium polyphosphate solution is 20-40°C.
[0031] In an embodiment of the present invention, in step (2), the pH value of the finished water-soluble fertilizer is 5-8.
[0032] The invention adjusts t...
Embodiment 1
[0035] Embodiment 1 of the present invention provides a kind of water-soluble fertilizer, and it comprises the raw material of following weight: ammonium polyphosphate 175kg, potassium formate 560kg, urea 280kg, tetrahydrate sodium octaborate 15kg, EDTA-zinc 12kg, glacial acetic acid 150kg, xanthogen Glue 20kg, tea polyphenols 13kg and water 500kg.
[0036] The embodiment of the present invention also provides a kind of preparation method of water-soluble fertilizer, comprises the steps:
[0037] (1) take raw materials by weight of each raw material;
[0038] (2) Dissolve ammonium polyphosphate in water at normal temperature and stir until completely dissolved to obtain ammonium polyphosphate solution; add sodium octaborate tetrahydrate, EDTA-zinc, xanthan gum and tea polyphenol into the ammonium polyphosphate solution , stir and mix uniformly to obtain mixed solution I; add potassium formate and urea in sequence to mixed solution I, stir and mix uniformly to obtain mixed sol...
Embodiment 2
[0040] Embodiment 2 of the present invention provides a kind of water-soluble fertilizer, and it comprises the raw material of following weight: ammonium polyphosphate 175kg, potassium formate 375kg, potassium acetate 215kg, urea 280kg, tetrahydrate sodium octaborate 15kg, EDTA-zinc 12kg, glacial acetic acid 200kg, xanthan gum 30kg, tea polyphenols 25kg and water 480kg.
[0041] The preparation method of the water-soluble fertilizer in Example 2 of the present invention is the same as that in Example 1.
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